Home / 6,138.33-9,210.23-3,215.95

Finding the Fourth Proportional to 6,138.33, 9,210.23 and 3,215.95

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Solution

The fourth proportional to 6,138.33, 9,210.23 and 3,215.95 is: 4,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.33 : 9,210.23 = 3,215.95 : x
  2. Step 2: Convert to fraction form
    6,138.33/9,210.23 = 3,215.95/x
  3. Step 3: Cross multiply
    6,138.33x = 9,210.23 × 3,215.95
  4. Step 4: Simplify right side
    6,138.33x = 29,619,672.98
  5. Step 5: Solve for x
    x = 29,619,672.98/6,138.33
  6. Step 6: Final answer
    x = 4,825.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.